Java Assert assertEntryCount(final long entryCount)

Description

Dynamic sharding operations are not currently supported for indices with more than MAX_INT tuples.

License

Open Source License

Parameter

Parameter	Description
entryCount	The entry count of some index.

Exception

Parameter	Description
UnsupportedOperationException	if entryCount is GT MAX_INT.

Return

The int32 entry count.

Declaration

static private int assertEntryCount(final long entryCount) 

Method Source Code

//package com.java2s;
/*/*from  ww w .j  a v a2 s.  c  o m*/
    
Copyright (C) SYSTAP, LLC 2006-2008.  All rights reserved.
    
Contact:
 SYSTAP, LLC
 4501 Tower Road
 Greensboro, NC 27410
 licenses@bigdata.com
    
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
*/

public class Main {
    /**
     * Dynamic sharding operations are not currently supported for indices with
     * more than MAX_INT tuples. It is not really a use case for scale-out, and
     * that is what the SplitUtility is designed to support. Various methods in
     * this class therefore will cast to an int32 value.
     * 
     * @param entryCount
     *            The entry count of some index.
     *            
     * @return The int32 entry count.
     * 
     * @throws UnsupportedOperationException
     *             if entryCount is GT MAX_INT.
     */
    static private int assertEntryCount(final long entryCount) {

        if (entryCount >= Integer.MAX_VALUE)
            throw new UnsupportedOperationException("More than GT MAX_INT tuples: n=" + entryCount);

        return (int) entryCount;

    }
}

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